
Modified python3 to pip3 to upgrade. Related changes has been merged: armada: https://review.opendev.org/#/c/676806/ pegleg: https://review.opendev.org/#/c/676944/ shipyard: https://review.opendev.org/#/c/678684/ Change-Id: If67a7843261e898c8d438a0fd195d4b0dc87b495